P0191 is set when RPS output voltage is below the minimum value of 189mV for more than 0.5 sec.. This code is due to the sensor.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Pressure monitoring |
•
RPS circuit
•
RPS component | ||
Enable Conditions |
•
Engine running | |||
Threshold Value |
•
Output value from AD convertor out of available range. | |||
Diagnostic Time |
•
300ms | |||
Fail Safe | Fuel cut | NO | ||
EGR Off | NO | |||
Fuel Limit | YES | |||
Check Lamp | YES |